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Rules for FFTs #541

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wants to merge 16 commits into from
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Rules for FFTs #541

wants to merge 16 commits into from

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dlfivefifty
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This is picking up where #495 left off. Some simple examples of derivatives involving fft are now working.

I wasn't able to get dct or r2r working, yet, as they are defined in FFTW.jl. See JuliaMath/AbstractFFTs.jl#56

@MilesCranmer
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Hey, what is the timeline on this? Would be very helpful to have this for a project I'm working on.

@dlfivefifty
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If this is going to be merged I think it's ready.

Though it might be better in a separate package

@dlfivefifty
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@MilesCranmer I'm going close this PR, move the code to https://github.com/JuliaApproximation/FastTransformsForwardDiff.jl and add support for FFTW.jl as I think its too half-baked to be in ForwardDiff.jl proper.

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3 participants